eFriend Smart is a trading app that provides a variety of services such as stock/futures/option trading, investment information, banking (account transfer), transaction service application, public stock subscription transaction, and stock simulation investment. [eFriend Smart Service/Function Guide] ▶ Easy login: You can log in easily with a 6-digit simple password, fingerprint, iris, or FACE ID. ▶ More diversified ordering function: We provide new ordering functions such as current price quick